MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90934e1d743cce98b7d46e289fa4125eb5cb877a20862af5abc4f96c9351dac8. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90934e1d743cce98b7d46e289fa4125eb5cb877a20862af5abc4f96c9351dac8
SHA3-384 hash: 5568d43afa923c9cec5d2d480686c21cb48b70f46f9bb286c72f307f3625732da9d893520742a5030ebbc99500dc7ec6
SHA1 hash: 440cafb0ac8ac11ea8ca08632f45ad912bd35c5d
MD5 hash: 4c9e1f859fec8051657b98859dc74c65
humanhash: foxtrot-gee-wyoming-colorado
File name:4c9e1f859fec8051657b98859dc74c65.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:950'272 bytes
First seen:2020-09-11 05:37:31 UTC
Last seen:2020-09-11 06:43:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:2+nsvjaHaUHIXqz02LXyWg/whfyIg3RBZXkoc/AR:2+LawIgzLoohfyIETZXa4
TLSH DF15234E7634DB33CF4C247A2831066A3592592F6927C353BE4DA8EF67BF7846072462
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/58583/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.43811583.28210.11571.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/463845
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/90934e1d743cce98b7d46e289fa4125eb5cb877a20862af5abc4f96c9351dac8/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-11 05:09:42 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=scju4hluhthjrn6unyuj7jasl224xb32ecdcv5nlyt4wze2r3lea._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200911-j3n19ec8n2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/90934e1d743cce98b7d46e289fa4125eb5cb877a20862af5abc4f96c9351dac8

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 90934e1d743cce98b7d46e289fa4125eb5cb877a20862af5abc4f96c9351dac8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/460767/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/58583/

Comments